The hardest body substance forms the outer covering of the crown and contains no living cells for repair. Which tooth part is this?

A large paired gland lies just anterior to each ear, and its duct opens into the cheek near the upper second molar. Which glands are these?

The tongue shapes a bolus and pushes it toward the throat before the reflex part begins. Which stage of swallowing is this?

Flat, chisel-shaped teeth at the front of both jaws slice food, with two in each quadrant of the adult dental formula. Which teeth are these?

Most of a tooth is a hard, bone-like tissue deep to the outer coverings and surrounding the central cavity. Which tooth part is this?

A paired gland sits beneath the lower jaw, and each long duct opens near the front of the oral floor. Which glands are these?

The soft palate rises, the airway is protected, and the upper sphincter of the food tube opens. Which stage of swallowing is occurring?

Pointed teeth just lateral to the cutting teeth pierce and tear food, with one in each quadrant. Which teeth are these?

The soft connective tissue in the central cavity contains blood vessels and nerves. Which tooth part is this?

Small paired glands in the anterior oral floor drain through many short ducts along that floor. Which glands are these?

After the bolus leaves the throat, peristaltic waves carry it through a muscular tube toward the stomach. Which stage is this?

Bicuspids sit between the pointed tooth and the broad back grinders, helping crush food. Which teeth are these?

A mineralized layer covers the root surface and helps anchor the periodontal ligament. Which tooth part is this?

Mumps is a viral infection that classically causes painful swelling in front of and below the ears. Which salivary glands does it most often affect?

Once the bolus touches receptors in the throat, a swallowing center in the brainstem takes over. Which is the first swallowing stage that cannot be stopped voluntarily?

The final three teeth in each adult dental quadrant are broad, many-cusped grinders at the back. Which teeth are these?

Acids made by plaque bacteria start a cavity by dissolving minerals from the outermost layer of the crown. Which tooth part is attacked first?

At rest, between meals, one pair of major salivary glands makes most of the saliva in the mouth. Which glands are these?

The lower sphincter of the food tube relaxes so the bolus can enter the stomach. Which swallowing stage is finishing?

When enamel wears away, a yellowish tissue full of tiny tubules is exposed, and the tooth may hurt with cold drinks. Which tooth part is exposed?

Of the three pairs of major salivary glands, one pair makes saliva that is mostly thick mucus rather than watery fluid. Which glands are these?

Nerve damage weakens a patient's tongue, so it is hard to push chewed food to the back of the mouth. Which stage of swallowing is most affected?

A child's baby teeth include incisors, canines, and molars. Which type of adult tooth has no baby-tooth version?

Gum disease makes the gums pull back and exposes the thin hard layer on the outside of the tooth root. Which tooth part is now exposed?

One pair of major salivary glands makes a watery saliva with almost no mucus. Which glands are these?

After a brainstem stroke, a patient can push food back with the tongue, but the automatic reflex that carries it past the airway is weak, so they choke. Which stage is impaired?

A tooth's living inner tissue can sense pain when decay reaches the central cavity. Which part has been reached?

A paired gland under the lower border of the jaw produces a mixed secretion and drains by a single long duct on each side. Which glands are these?

Astronauts in orbit can still swallow because muscle waves, not gravity, move food down the tube to the stomach. In which swallowing stage do these waves act?

Which teeth are usually the first baby teeth to come in, often at about six months of age?